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42 ultravision t.v. picture keeps getting darker, voulme does not always turn on when t.v. is powered on

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What is the model #?

Posted on Sep 17, 2008

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In the middle of screen the is red area next to the bottome of the picture,and also the picture is not bight like it used to be seems like everything is darker.


Bad optical engine. Your repair cost will exceed $1200 since this part is so expensive. Part# UX25302

Bill W
integrityhomeworx.com

Mar 22, 2011 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Picture Seams a little dark


Its possible that your lamp is nearing the end of its lifespan.A new lamp will give you more brightness.

May 14, 2010 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Hitachi Ultravision 50in. Does not turn on at all


replace Both of your STK ICs STK392-570
Call Mats 1-800-628-1118

Jan 03, 2010 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

TV: Hitachi UltraVision no Picture.


Hitachi Ultravision power light on but on picture

Nov 18, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

42 inch Hatachie Ultravision model 43UWX10B and


The magic focus will stop if there is a bad sensor and or a problem in the convergence circuit.

This set uses two STK-392-110 convergence chips--both along with any of the resistors that protect them need to be replaced and the set adjusted--I have repaired hundreds of these sets----


Confirm model number----and if you go into the customer menu and either red or blue will not move in any or some direction--the chips have to be replaced---LET ME KNOW WHAT YOU FIND AND I CAN GIVE YOU FAIRLY DETAILED INSTRUCTIONS ON WHERE TO GET THE PARTS AND WHAT IS INVOLVED IN THIS REPAIR.

I am here to help people--

REGARDS, SD TECH

Oct 10, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

PICTURE IS GETTING DARKER AND DARKER


Hi,
Without more information, assuming its a Halide lamp, and the viewing angle of the TV hasn't also got worse I would say yes and quickly, if the image has degraded badly the lamp is close to failure which could cause further damage.
Although only a guide as some lamps last longer than others you should always keep an eye on the lamp hour counter The manual should tell you how long to expect from a lamp.

May 25, 2008 | Projection Televisions

2 Answers

Hitachi Ultravision


NEED TO CHECK the convergence ICs "stk _ _ _" , also check for some burnt spot (dry solder) around the power supply,
hope this helps AJ

May 12, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

I have a 50 inch hitachi ultravision that has no picture or sound but power light is on


Probably a 'cold or detatched' solder joint on a component on that perticular circuit board you are 'wedging' with a plastic rod.

Apr 16, 2008 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

50V500A


if the lamp has dies alot of the time to can look inside the lamp and see if it exploded (not always) do you get blinking lights?

Feb 01, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

I have a 50 inch hitachi ultravision that has no picture or sound but power light is on


you have lookse connection on the video convergance amp ic

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Nov 04, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

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